Na który brzeg

Recording by Filipek.

Recording identifiers

ISRC
PLV402201811
CopyrightID (CopyrightChains transaction hash)
0xe51a637ed5d81fc75e8c733943834a3f146ff8c114ba9566cb3a5c635cc21967
Copyright registration time
2026-06-25T11:31:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9bebe96312a0a11a32db3ba3f07dd62bb936b55e084e878425b35fe69ae8d3e2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.